import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.io.StringWriter;
import java.io.Writer;


public class FileReader {
	 public String convertStreamToString(InputStream is)
     throws IOException {
	 //
	 // To convert the InputStream to String we use the
	 // Reader.read(char[] buffer) method. We iterate until the
	 // Reader return -1 which means there's no more data to
	 // read. We use the StringWriter class to produce the string.
	 //
		 if (is != null) {
			 Writer writer = new StringWriter();

			 char[] buffer = new char[1024];
			 try {
				 Reader reader = new BufferedReader(
                 new InputStreamReader(is, "UTF-8"));
				 int n;
				 while ((n = reader.read(buffer)) != -1) {
					 writer.write(buffer, 0, n);
				 }
			 } finally {
				 is.close();
			 }
     			return writer.toString();
 		} else {        
	 		return "";
 		}
	 }
}
